Stefan Baumgartner • 3/25/2020

TypeScript + React: Typing custom hooks with tuple types

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This article addresses a common TypeScript problem in React where a custom hook returning an array (like a toggle hook) causes type errors. It explains why TypeScript infers a general array type, leading to issues, and demonstrates how to explicitly define the return type as a tuple to ensure proper type safety and compatibility with event handlers.

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#TypeScript #React #custom hooks
TypeScript + React: Typing custom hooks with tuple types

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